Crawshaw, Fred D. (Fred Duane), b. 1874, Phillips, J. D. (James David), 1869- joint author · Chicago, New York, Scott, Foresman and company · leaf 208
Fig. 218. Lettering Plate. 1, i, t, v, y letters in the words. Correct spacing is as essential as correctforms. ADVANCED DRAWING 203 Given: Plate 27 to reduced size. Fig, 219.Required: To make the plate to an enlarged scale. PREPARATORY INSTRUCTIONS FOR DRAWING PLATE 28 Another geometrical form… … Fig. 219. Lettering Plate 27. 1, i, t, v, y The vertex would remain at a fixed point. Since all straightlines drawn in the surface of the cone from the vertex to the basecircle are equal in length, the base circle will unroll into an arcwith a radius equal to the true distance from the vertex to…
Mechanical drawing
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